GB2390375B - Valve metal powders and process for producing them - Google Patents

Valve metal powders and process for producing them

Info

Publication number
GB2390375B
GB2390375B GB0305574A GB0305574A GB2390375B GB 2390375 B GB2390375 B GB 2390375B GB 0305574 A GB0305574 A GB 0305574A GB 0305574 A GB0305574 A GB 0305574A GB 2390375 B GB2390375 B GB 2390375B
Authority
GB
United Kingdom
Prior art keywords
producing
metal powders
valve metal
valve
powders
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0305574A
Other languages
English (en)
Other versions
GB0305574D0 (en
GB2390375A (en
Inventor
Josua Loeffelholz
Hady Seyeda
Ruediger Wolf
Karlheinz Reichert
Christoph Schnitter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HC Starck GmbH
Original Assignee
HC Starck GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HC Starck GmbH filed Critical HC Starck GmbH
Priority to GB0508078.3A priority Critical patent/GB2410251B8/en
Publication of GB0305574D0 publication Critical patent/GB0305574D0/en
Publication of GB2390375A publication Critical patent/GB2390375A/en
Application granted granted Critical
Publication of GB2390375B publication Critical patent/GB2390375B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/12Metallic powder containing non-metallic particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10Formation of a green body
    • B22F10/16Formation of a green body by embedding the binder within the powder bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00Compounds of niobium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00Compounds of tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/04Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C27/00Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/02Alloys based on vanadium, niobium, or tantalum
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/0029Processes of manufacture
    • H01G9/0032Processes of manufacture formation of the dielectric layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052Sintered electrodes
    • H01G9/0525Powder therefor
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • C01P2002/52Solid solutions containing elements as dopants
    • C01P2002/54Solid solutions containing elements as dopants one element only
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/04Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/20Particle morphology extending in two dimensions, e.g. plate-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/11Powder tap density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • C01P2006/17Pore diameter distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Powder Metallurgy (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
GB0305574A 2002-03-12 2003-03-11 Valve metal powders and process for producing them Expired - Lifetime GB2390375B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0508078.3A GB2410251B8 (en) 2002-03-12 2003-03-11 Valve metal powders and process for producing them

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10210876 2002-03-12

Publications (3)

Publication Number Publication Date
GB0305574D0 GB0305574D0 (en) 2003-04-16
GB2390375A GB2390375A (en) 2004-01-07
GB2390375B true GB2390375B (en) 2005-11-23

Family

ID=7714082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0305574A Expired - Lifetime GB2390375B (en) 2002-03-12 2003-03-11 Valve metal powders and process for producing them

Country Status (14)

Country Link
US (2) US7066979B2 (ru)
JP (2) JP4778193B2 (ru)
KR (2) KR100980514B1 (ru)
CN (3) CN101695751A (ru)
AU (2) AU2003200958B2 (ru)
BR (1) BR0300418B1 (ru)
CA (2) CA2754650C (ru)
CZ (1) CZ306940B6 (ru)
DE (1) DE10307716B4 (ru)
GB (1) GB2390375B (ru)
IL (1) IL154827A (ru)
MX (1) MXPA03002119A (ru)
PT (1) PT102923A (ru)
RU (1) RU2361700C2 (ru)

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US7655214B2 (en) 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
EP1620582B1 (en) * 2003-05-07 2016-12-21 De Nora Tech, Inc. Smooth surface morphology anode coatings
US7445679B2 (en) * 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
EP1638891A2 (en) * 2003-05-19 2006-03-29 Cabot Corporation Methods of making a niobium metal oxide and oxygen reduced niobium oxides
JP2005079333A (ja) * 2003-08-29 2005-03-24 Nec Tokin Corp 分散液用弁作用金属粉末およびそれを使用した固体電解コンデンサ
DE10342600B4 (de) 2003-09-12 2009-04-09 H.C. Starck Gmbh Ventilmetalloxid-Pulver und Verfahren zu deren Herstellung
JP2005255454A (ja) * 2004-03-11 2005-09-22 Stella Chemifa Corp 酸化タンタル及び/又は酸化ニオブ及びその製造方法
DE102004020052B4 (de) * 2004-04-23 2008-03-06 H.C. Starck Gmbh Verfahren zur Herstellung von Niob- und Tantalpulver
US20080011124A1 (en) * 2004-09-08 2008-01-17 H.C. Starck Gmbh & Co. Kg Deoxidation of Valve Metal Powders
DE102004049039B4 (de) * 2004-10-08 2009-05-07 H.C. Starck Gmbh Verfahren zur Herstellung feinteiliger Ventilmetallpulver
DE102004049040B4 (de) * 2004-10-08 2008-11-27 H.C. Starck Gmbh Verfahren zur Herstellung von Festelektrolytkondensatoren
AU2006291507B2 (en) * 2005-09-16 2011-05-19 H. C. Starck Gmbh Reduction method
PT2054901T (pt) * 2006-08-16 2020-01-16 H C Starck Tantalum And Niobium Gmbh Produtos semiacabados com uma superfície ativa do ponto de vista da sinterização e um processo para a sua produção
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
JP4586823B2 (ja) * 2007-06-21 2010-11-24 トヨタ自動車株式会社 成膜方法、伝熱部材、パワーモジュール、車両用インバータ、及び車両
MX2010001586A (es) * 2007-08-16 2010-03-15 Starck H C Gmbh Estructuras de dimensiones nanometricas compuestas de metales de valvula y suboxidos de metales de valvula y proceso para producirlas.
DE102007038581A1 (de) * 2007-08-16 2009-02-19 H.C. Starck Gmbh Nanoskalige Strukturen von Ventilmetallen und Ventilmetallsuboxiden und Verfahren zu deren Herstellung
US7852615B2 (en) * 2008-01-22 2010-12-14 Avx Corporation Electrolytic capacitor anode treated with an organometallic compound
DE102008048614A1 (de) * 2008-09-23 2010-04-01 H.C. Starck Gmbh Ventilmetall-und Ventilmetalloxid-Agglomeratpulver und Verfahren zu deren Herstellung
US8203827B2 (en) * 2009-02-20 2012-06-19 Avx Corporation Anode for a solid electrolytic capacitor containing a non-metallic surface treatment
CN103143741B (zh) * 2012-12-24 2015-12-02 株洲欧科亿硬质合金有限公司 一种可转位的双面槽型切削刀片
RU2649099C2 (ru) * 2016-06-27 2018-03-29 Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Кольский научный центр Российской академии наук" (ФИЦ КНЦ РАН) Способ получения порошка вентильного металла
DE102016011098A1 (de) * 2016-09-15 2018-03-15 H.C. Starck Tantalum and Niobium GmbH Verfahren zur Herstellung von elektronischen Bauteilen mittels 3D-Druck
CN108213461B (zh) * 2017-12-12 2021-07-16 昆明理工大学 一种纳米级贵金属材料的制备方法
US20190271068A1 (en) * 2018-03-05 2019-09-05 Global Advanced Metals Usa, Inc. Powder Metallurgy Sputtering Targets And Methods Of Producing Same
KR102389784B1 (ko) * 2018-03-05 2022-04-22 글로벌 어드밴스드 메탈스 유에스에이, 아이엔씨. 구형 분말을 함유하는 애노드 및 커패시터
DE102019000906A1 (de) * 2019-02-08 2020-08-13 Taniobis Gmbh Pulver auf Basis von Niobzinnverbindungen für die Herstellung von supraleitenden Bauteilen
CN110340374A (zh) * 2019-08-06 2019-10-18 攀钢集团研究院有限公司 钒铬钛粉的制备方法

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WO2001082318A2 (en) * 2000-04-21 2001-11-01 Showa Denko K.K. Niobium sintered body, production method therefor, and capacitor using the same
WO2002090024A1 (en) * 2001-05-04 2002-11-14 H.C. Starck, Inc. Metalothermic reduction of refractory metal oxides

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GB2201427A (en) * 1987-02-27 1988-09-01 Cabot Corp Method for deoxidising tantalum/columbium material
GB2236329A (en) * 1989-09-26 1991-04-03 Cabot Corp Method for controlling the oxygen content of tantalum material
US5986877A (en) * 1996-04-25 1999-11-16 Cabot Corporation Tantalum metal power with controlled size distribution and products made therefrom
US6193779B1 (en) * 1997-02-19 2001-02-27 H. C. Starck Gmbh & Co. Kg Tantalum powder, method for producing same powder and sintered anodes obtained from it
US6238456B1 (en) * 1997-02-19 2001-05-29 H. C. Starck Gmbh & Co. Kg Tantalum powder, method for producing same powder and sintered anodes obtained from it
US6024914A (en) * 1997-09-01 2000-02-15 Nec Corporation Process for production of anode for solid electrolytic capacitor
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WO2000015556A1 (en) * 1998-09-16 2000-03-23 Cabot Corporation Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
WO2000015555A1 (en) * 1998-09-16 2000-03-23 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
EP0997542A1 (de) * 1998-10-13 2000-05-03 H.C. Starck GmbH & Co. KG Niobpulver und Verfahren zu dessen Herstellung
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WO2001082318A2 (en) * 2000-04-21 2001-11-01 Showa Denko K.K. Niobium sintered body, production method therefor, and capacitor using the same
WO2002090024A1 (en) * 2001-05-04 2002-11-14 H.C. Starck, Inc. Metalothermic reduction of refractory metal oxides

Also Published As

Publication number Publication date
CZ2003695A3 (cs) 2003-11-12
US7066979B2 (en) 2006-06-27
IL154827A (en) 2008-03-20
CA2754650C (en) 2013-12-31
KR100980514B1 (ko) 2010-09-06
JP2011137236A (ja) 2011-07-14
GB0305574D0 (en) 2003-04-16
CA2754650A1 (en) 2003-09-12
AU2003200958B2 (en) 2009-01-08
BR0300418A (pt) 2004-08-17
CN101695751A (zh) 2010-04-21
MXPA03002119A (es) 2004-10-15
CN1899728B (zh) 2011-09-07
IL154827A0 (en) 2003-10-31
US7485257B2 (en) 2009-02-03
KR20030074348A (ko) 2003-09-19
PT102923A (pt) 2003-09-30
CA2421307C (en) 2012-10-09
US20030230167A1 (en) 2003-12-18
KR101074930B1 (ko) 2011-10-18
GB2390375A (en) 2004-01-07
CA2421307A1 (en) 2003-09-12
AU2008249229B2 (en) 2012-01-19
DE10307716B4 (de) 2021-11-18
CN1899728A (zh) 2007-01-24
AU2008249229A1 (en) 2008-12-18
JP2003277811A (ja) 2003-10-02
KR20100074093A (ko) 2010-07-01
RU2361700C2 (ru) 2009-07-20
AU2003200958A1 (en) 2003-10-02
CZ306940B6 (cs) 2017-09-27
DE10307716A1 (de) 2003-09-25
US20060219055A1 (en) 2006-10-05
BR0300418B1 (pt) 2013-10-01
CN1443618A (zh) 2003-09-24
JP4778193B2 (ja) 2011-09-21

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